Shared folder history

www/common/cryptpad-common.js

@@ -130,6 +130,12 @@ define([
         postMessage("DRIVE_USEROBJECT", data, cb);
     };
     common.restoreDrive = function (data, cb) {
+        if (data.sfId) { // Shared folder ID
+            postMessage('RESTORE_SHARED_FOLDER', data, cb, {
+                timeout: 5 * 60 * 1000
+            });
+            return;
+        }
         postMessage("SET", {
             key:['drive'],
             value: data

www/common/outer/async-store.js

@@ -85,6 +85,20 @@ define([
             cb({});
         };
 
+        Store.restoreSharedFolder = function (clientId, data, cb) {
+            if (!data.sfId || !data.drive) { return void cb({error:'EINVAL'}); }
+            if (store.sharedFolders[data.sfId]) {
+                Object.keys(data.drive).forEach(function (k) {
+                    store.sharedFolders[data.sfId].proxy[k] = data.drive[k];
+                });
+                Object.keys(store.sharedFolders[data.sfId].proxy).forEach(function (k) {
+                    if (data.drive[k]) { return; }
+                    delete store.sharedFolders[data.sfId].proxy[k];
+                });
+            }
+            onSync(cb);
+        };
+
         Store.hasSigningKeys = function () {
             if (!store.proxy) { return; }
             return typeof(store.proxy.edPrivate) === 'string' &&

www/common/outer/store-rpc.js

@@ -57,6 +57,7 @@ define([
             GET_SHARED_FOLDER: Store.getSharedFolder,
             ADD_SHARED_FOLDER: Store.addSharedFolder,
             LOAD_SHARED_FOLDER: Store.loadSharedFolderAnon,
+            RESTORE_SHARED_FOLDER: Store.restoreSharedFolder,
             // Messaging
             ANSWER_FRIEND_REQUEST: Store.answerFriendRequest,
             SEND_FRIEND_REQUEST: Store.sendFriendRequest,

www/common/sframe-common-history.js

@@ -63,7 +63,8 @@ define([
             var sframeChan = common.getSframeChannel();
 
             sframeChan.query('Q_GET_HISTORY_RANGE', {
-                lastKnownHash: lastKnownHash
+                lastKnownHash: lastKnownHash,
+                sharedFolder: config.sharedFolder
             }, function (err, data) {
                 if (err) { return void console.error(err); }
                 if (!Array.isArray(data.messages)) { return void console.error('Not an array!'); }
@@ -313,6 +314,10 @@ define([
             $(window).trigger('resize');
         };
 
+        if (config.onOpen) {
+            config.onOpen();
+        }
+
         // Load all the history messages into a new chainpad object
         loadMoreHistory(config, common, function (err, newRt, isFull) {
             History.readOnly = common.getMetadataMgr().getPrivateData().readOnly;

www/common/sframe-common-outer.js

@@ -537,9 +537,12 @@ define([
             sframeChan.on('Q_GET_HISTORY_RANGE', function (data, cb) {
                 var nSecret = secret;
                 if (cfg.isDrive) {
+                    // Shared folder or user hash or fs hash
                     var hash = Utils.LocalStore.getUserHash() || Utils.LocalStore.getFSHash();
+                    if (data.sharedFolder) { hash = data.sharedFolder.hash; }
                     if (hash) {
-                        nSecret = Utils.Hash.getSecrets('drive', hash);
+                        var password = (data.sharedFolder && data.sharedFolder.password) || undefined;
+                        nSecret = Utils.Hash.getSecrets('drive', hash, password);
                     }
                 }
                 var channel = nSecret.channel;

www/drive/inner.js

@@ -1705,6 +1705,11 @@ define([
                 default:
                     msg = undefined;
             }
+            if (history.isHistoryMode && history.sfId) {
+                // Shared folder history: always display the warning
+                msg = Messages.fm_info_sharedFolderHistory;
+                return $(common.fixLinks($box.html(msg)));
+            }
             if (!APP.loggedIn) {
                 msg = APP.newSharedFolder ? Messages.fm_info_sharedFolder : Messages.fm_info_anonymous;
                 return $(common.fixLinks($box.html(msg)));
@@ -3527,7 +3532,32 @@ define([
             return false;
         });
 
+        APP.histConfig.onOpen = function () {
+            // If we're in a shared folder history, store its id in memory
+            // so that we remember that this isn't the drive history if
+            // we browse through the drive
+            var sfId = manager.isInSharedFolder(currentPath);
+            if (!sfId) {
+                delete history.sfId;
+                delete APP.histConfig.sharedFolder;
+                return;
+            }
+            history.sfId = sfId;
+            var data = manager.getSharedFolderData(sfId);
+            var parsed = Hash.parsePadUrl(data.href || data.roHref);
+            APP.histConfig.sharedFolder = {
+                hash: parsed.hash,
+                password: data.password
+            };
+        };
         history.onEnterHistory = function (obj) {
+            if (history.sfId) {
+                if (!obj || typeof(obj) !== "object" || Object.keys(obj).length === 0) { return; }
+                copyObjectValue(folders[history.sfId], obj);
+                refresh();
+                return;
+            }
+            history.sfId = false;
             copyObjectValue(files, obj.drive);
             appStatus.isReady = true;
             refresh();
@@ -3667,13 +3697,22 @@ define([
             APP.histConfig = {
                 onLocal: function () {
                     UI.addLoadingScreen({ loadingText: Messages.fm_restoreDrive });
+                    var data = {};
+                    if (history.sfId) {
+                        copyObjectValue(folders[history.sfId], history.currentObj);
+                        data.sfId = history.sfId;
+                        data.drive = history.currentObj;
+                    } else {
                         proxy.drive = history.currentObj.drive;
-                    sframeChan.query("Q_DRIVE_RESTORE", history.currentObj.drive, function () {
+                        data.drive = history.currentObj.drive;
+                    }
+                    sframeChan.query("Q_DRIVE_RESTORE", data, function () {
                         UI.removeLoadingScreen();
                     }, {
                         timeout: 5 * 60 * 1000
                     });
                 },
+                onOpen: function () {},
                 onRemote: function () {},
                 setHistory: setHistory,
                 applyVal: function (val) {